computers; communications systems, computer information storage and retrieval systems, telephone networks and telephone messaging systems, voice mail and voice messaging systems, electronic mail systems, fax processing systems, automated attendant systems and interactive voice response systems, all of the above systems being comprised of computers, computer circuit boards, modems, audio interface and conversion boards and circuits, digital signal processing boards, telephone and data network switches, communications boards, logic boards, network interface boards, telephone and data transmission interface boards and circuits, voice and video analysis and response processors, power supplies, user interface circuits, and associated computer software; computer software for use in voice mail and voice messaging, electronic mail, automated attendant, interactive voice response, call processing, word processing, fax processing, and networking, and programming tools and utilities; and instructional manuals distributed therewith

electronic voice mail and voice messaging services and interactive voice response services, namely, recording, storage and subsequent retransmission of voice messages by telephone or computer network; electronic mail services; fax processing services, namely, electronic transmission of messages and data; electronic automated attendant services, electronic interactive voice response services, and facsimile transmission and processing services